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Host: Made rendering pipeline a bit more flexible

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This commit is contained in:
jaseg 2016-01-02 00:48:14 +01:00
parent 330e1eb20e
commit fefb33736a
8 changed files with 123 additions and 94 deletions
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11
host/bdf.py
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@ -27,7 +27,6 @@ def printframe(fb):
numpy.copyto(dbuf[2::4], ip[2::3+rgba])
lib.console_render_buffer(dbuf.ctypes.data_as(POINTER(c_uint8)), config.display_width, config.display_height)
class Font:
def __init__(self, fontfile='unifont.bdf'):
self.font = lib.read_bdf_file(fontfile)
@ -36,16 +35,16 @@ class Font:
self.cbuf = create_string_buffer(config.frame_size*sizeof(COLOR))
self.cbuflock = threading.Lock()
def compute_text_bounds(text):
def compute_text_bounds(self, text):
textbytes = text.encode()
textw, texth = c_size_t(0), c_size_t(0)
res = lib.framebuffer_get_text_bounds(textbytes, unifont, byref(textw), byref(texth))
res = lib.framebuffer_get_text_bounds(textbytes, self.font, byref(textw), byref(texth))
if res:
raise ValueError('Invalid text')
return textw.value, texth.value
def render_text(text, offset):
with cbuflock:
def render_text(self, text, offset):
with self.cbuflock:
textbytes = bytes(str(text), 'UTF-8')
res = lib.framebuffer_render_text(textbytes, self.font, self.cbuf,
config.display_width, config.display_height, offset)
@ -53,4 +52,4 @@ class Font:
raise ValueError('Invalid text')
return self.cbuf
unifont = Font()